msgstress03 in ubuntu_ltp_syscalls failed with KVM nodes

The test failed with:
     Fork failed (may be OK if under stress)

<<<test_start>>>
tag=msgstress03 stime=1539248897
cmdline="msgstress03"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
msgstress03 1 TFAIL : msgstress03.c:157: Fork failed (may be OK if under stress)
<<<execution_status>>>
initiation_status="ok"
duration=48 termination_type=exited termination_id=1 corefile=no
cutime=3 cstime=24
<<<test_end>>>

Complete test log: https://pastebin.ubuntu.com/p/rW2DkFpsKm/

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-1036-kvm 4.4.0-1036.42
ProcVersionSignature: User Name 4.4.0-1036.42-kvm 4.4.155
Uname: Linux 4.4.0-1036-kvm x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Thu Oct 11 09:08:52 2018
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)